Caroline Wozniacki Retires at Bad Homburg Open Due to Knee Injury

Former world number one Caroline Wozniacki retired from her quarter-final match at the Bad Homburg Open due to a knee injury. Wozniacki, who faces third-seeded Emma Navarro, had taken the opening set but withdrew to focus on Wimbledon. Spain's Paula Badosa and Katerina Siniakova were also eliminated.

Former world number one Caroline Wozniacki had to retire from her quarter-final match at the Bad Homburg Open on Thursday due to a knee injury while Paula Badosa was knocked out.

Danish wildcard Wozniacki was facing third-seeded American Emma Navarro and had taken the opening set in which she fell and seemed to hurt her knee. The 33-year-old former Australian Open champion was losing 4-6 6-1 1-0 when she retired, with one eye on Wimbledon, which starts on Monday, where she also has a wildcard.

Spain's former world number two Badosa, also a wildcard, struggled with double faults and Russian Diana Shnaider's superior second serve in the second set as she lost 6-3 7-6(3). Shnaider will face Navarro in the semi-finals.

Croatia's Donna Vekic is also in the last four after receiving a walkover when Czech defending champion Katerina Siniakova pulled out due to a hip injury. Vekic will play Bulgarian Viktoriya Tomova, who saved five match points in the final set tiebreak to edge Russia's Anna Blinkova 2-6 6-1 7-6(9) later on Thursday, in the semis.